Module 2 Recap

Question 1

Newtons First Law of Motion:

Answer 1

If there is no external force acting upon an object, it will retain its current velocity and direction.

Question 2

Newtons Second Law of Motion:

Answer 2

Resultant force = Mass x Acceleration (F = m a)

Question 3

Newtons Third Law of Motion:

Answer 3

To every action there is an equal, opposite reaction.

Question 4

Terminal Velocity:

Answer 4

The maximum speed achievable by an object in motion.

Question 5

1N =

Answer 5

The force required to move 1Kg to 1m/s.

Question 6

Static Friction:

Answer 6

The force acting upon stationary objects keeping them from moving.

Question 7

Dynamic Friction:

Answer 7

The force acting upon an object moving across a surface.

Question 8

Weight:

Answer 8

A measure of the earths gravitational pull on an object.

Question 9

Formula for Momentum:

Answer 9

Momentum = Mass x Velocity (P = m v)

Question 10

The Law of Conservation of Momentum:

Answer 10

When two or more objects act on each other, their total momentum remains constant, provided no external forces are acting.

Question 11

Vector:

Answer 11

Quantities that have magnitude and direction.

Question 12

Scalar:

Answer 12

Quantities that have magnitude but no direction.

Question 13

Centripetal Force:

Answer 13

The inward force acting upon an object moving in a circular path.

Question 14

Centrifugal Force:

Answer 14

A fictitious force that appears to act upon objects in a rotating frame of reference.